1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 #include "precompiled_bridges.hxx"
25 #include "sal/config.h"
26 
27 #include <cstddef>
28 
29 #include "sal/types.h"
30 #include "typelib/typeclass.h"
31 #include "typelib/typedescription.h"
32 
33 #include "isdirectreturntype.hxx"
34 
35 namespace {
36 
isPodStruct(typelib_CompoundTypeDescription * type)37 bool isPodStruct(typelib_CompoundTypeDescription * type) {
38     for (; type != NULL; type = type->pBaseTypeDescription) {
39         for (sal_Int32 i = 0; i < type->nMembers; ++i) {
40             if (!bridges::cpp_uno::cc5_solaris_sparc64::isDirectReturnType(
41                     type->ppTypeRefs[i]))
42             {
43                 return false;
44             }
45         }
46     }
47     return true;
48 }
49 
50 }
51 
52 namespace bridges { namespace cpp_uno { namespace cc5_solaris_sparc64 {
53 
isDirectReturnType(typelib_TypeDescriptionReference * type)54 bool isDirectReturnType(typelib_TypeDescriptionReference * type) {
55     // Is POD of size <= 32 bytes:
56     switch (type->eTypeClass) {
57     default:
58         return true;
59     case typelib_TypeClass_STRING:
60     case typelib_TypeClass_TYPE:
61     case typelib_TypeClass_ANY:
62     case typelib_TypeClass_SEQUENCE:
63     case typelib_TypeClass_INTERFACE:
64         return false;
65     case typelib_TypeClass_STRUCT:
66         {
67             typelib_TypeDescription * t = NULL;
68             TYPELIB_DANGER_GET(&t, type);
69             bool b = t->nSize <= 32 && isPodStruct(
70                 reinterpret_cast< typelib_CompoundTypeDescription * >(t));
71             TYPELIB_DANGER_RELEASE(t);
72             return b;
73         }
74     }
75 }
76 
77 } } }
78